Corner lock for beds



Aug. 27, 1929. w, BAKER comma LOCK FOR BEDS Filed June 4, 1925 2 Sheets-Sheet 2 *H llll II iiHl m mw .a

Patented Aug. 27, 1929.

UNITED STATES PATENT OFFICE.

WILLIAM H. BAKER, OI BRADLEY, ILLINOIS.

CORNER LOCK FOR BEDS.

Application filed June 4, 1925. Serial No. 34,887.

This invention relates to a device for rigidly securing a side rail to a bed post, so as to prevent looseness or rattling, but at the same time to permit the parts to be disconnected when desired. A further object of the iiwention is to produce a device in which the parts are made from stampings thereby obviating expensive and heavy castings. A

, further object of the invention is to provide a device which is reversable to accommodate bed springs of different sizes.

In the accompanying drawings, Fig. 1 is a side elevation illustrating one form of the invention; Fig. 2 is a vertical section of Fig. 1; Fig. 3 is a plan section of Fig. 1; Fig. 4 is a section similar to Fig. 2 showing the rail in its reversed position; Figs. 5 and 6 are side elevations of modifications; and Figs. 7 and 8 show a modification with the rail in ordinary and reversed positions.

This corner lock is applicable either to wooden or metal bedposts, or as shown in the present instance, to a post made of metal tubing. The device is also applicable to a bed post of any suitable shape; bed posts are usually round or rectangular, and if round, that portion of the device which is attached to the post is usually curved or shaped to conform to the outer surface of the post. i

In carrying out this invention a hook member 1 is applied to a bed post 2 of any suitable shape or material. If circular, as shown more clearly in Fig. 3, the attaching flange 3 of the hook member conforms to the surface of the post 2 and it is attached to the post by bolts, screws or rivets 4. In case of metal tubing it is usual to provide a plate 5 within the tubing to which the fastening means 4 may be attached. The extending portion of the hook member is formed with a substantially V-shaped slot 6 opening from the upper edge thereof which forms the hook, the inner edge 7 of the slot being substantially straight or parallel to the face of the post to which it is attached, and the other edge of the slot being inclined so as to form a wedging surface. In its preferred form the hook is provided with an offset 8 so that the extremity 9 of the,

hook is substantially parallel with the other portion of the hook member but is offset an amount substantially the thickness of the metal of which the hook member is made.

Attached at the end of a side rail 10 by means of a rivet 11 or other suitable fastening means is a plate 12 with a straight edge 13 adjacent the end of the side rail 10 adapted to abut the straight edge 7 of the hook slot 6. Attached to the plate 12 and project ing from the outer face thereof adjacent the straight edge 13 is a shoulder rivet 14 adapted to engage the inclined face of the slot 6 of the hook member and having a head 15 to engage and overlap the outer edge of the extending portion 9 of the hook member. Intermediate the ends of the straight edge 13 an offset tongue 16 is formed in the plate 12 projecting outwardly from the face thereof to engage on the outer side of the straight edge 7 of the hook member.

A cross rail 17 usually connects the hook members at each end of the bed, and maybe secured'thereto by the same fastening members 4 which secure the hook members to the bed post.

With this construction it is only necessary to abut the end of the plate 12 with the straight edge 7 of the slot and to engage the hook with the tongue 16 and rivet or projection 14. The side rail will wedge itself in place in the hook member and because of the engagement of the straight edges 7 and 13 the tightening of the corner lock does not alter the length between the head and foot posts of the bed.

To reverse the side rails from one position, as shown in Fig. 2, to that shown in Fig. 4, it is necessary only to turn the rail end for end, whereupon the parts will engage exactly as before. In the modification shown by Fig. 5 a similar result is obtained with a straight (not offset) hook member 18 and a similar side rail plate 19 having a straight central tongue 20 and two offset end tongues 21 which abut the inner straight face 22 of the notch 28, a headed projection 24 engaging the hook member as previously 6X- plained.

If desired, the tongue 16 which projects from the plate 12 may be omitted, as shown in Fig. 6, in which case the headed projection 15 is the only portion which overlaps and engages the hook member, and in this form the plate 19 has a continuous straight edge 13 which engages the straight edge 7 of the hook slot. i

If desired, the plate may be secured on the inner face of the side rail, as shown in Figs. 7 and 8, and in case the side rail is an ing 24 in one position, as shown by Fig. 7,

or may extend through the opening as shown in Fig. 8 when the side rail is in reversed position.

In all of these forms it will be observed that it is not necessary that the plates be accurately positioned at the ends of the side rails, for even though the rails themselves are not cut off evenly, it does not affect the engagement of the corner lock because it is the plate attached to the side rail, and the abutment of the straight edge thereof which constitues the engagement. In a lock of this kind there is no tendency to rattle or become loose, as the movement of the parts will tend only to wedge them more tightly together. In disconnecting the parts, if they are tightly wedged, a sharp tap or blow will easily disconnect them.

I claim:

1. A corner lock comprising a hook member with a slot having one straight side and the other side inclined thereto and trans versely offset therefrom, and a side rail including a projection adapted to engage the inclined side of the slot and an abutting surface to engage the straight side of the slot and a tongue to engage over the straight side of the slot.

2. A reversible corner lock comprising a hook plate member with a slot having one straight side and one side inclined thereto and transversely offset with respect to the other side, and an end plate attached to the side rail having an abutting end to engage the straight side of the slot and a headed laterally projection to engage the inclined side of the slot for forcing the abutment end in engagement with the straight side of the slot.

3. The combination with a bed post, of

an attached hook plate member comprising a the inner side edge of the slot. Y

4:. The cobmination with a bed post, of a hook plate member secured thereto having a slot extending downwardly from the upper edge, the inner edge of the slot being parallel with the axis of the post and the opposite edge being angularly disposed thereto, and transversely offset, aside rail having a plate secured thereto, the end of said plate being olfset to form a tongue to engage over the inner edge of the slot, and a lug having a reduced portion to enter the slot and to move therein against the angular edge of the slot to engage the tongue with the inner edge of the slot.

7 WILLIAM H. BAKER, 

